4,5,6,7-四氢-[1,2,3]三唑并[1,5-a]吡啶化合物的合成研究进展
首发时间:2022-04-06
摘要:作为一类重要的并环三氮唑类化合物,4,5,6,7-四氢-[1,2,3]三唑并[1,5-a]吡啶化合物在药物化学和有机合成中具有重要的应用前景。近年来,针对该类化合物的高效合成新方法研究取得了显著进展。目前,炔烃与叠氮的分子内1,3-偶极环加成反应是合成该类化合物最主要的方法。其他的合成方法包括1,2,3-三氮唑的分子内烷基化反应、Pd催化下1,2,3-三氮唑的直接C-H芳基化反应及[1,2,3]三唑并[1,5-a]吡啶化合物的氢化还原反应等。本文综述了上述不同合成方法的研究进展。
关键词: 4,5,6,7-四氢-[1,2,3]三唑并[1,5-a]吡啶 1,3-偶极环加成 烷基化 C-H芳基化 氢化反应
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Research progress on the synthesis of 4,5,6,7-tetrahydro- [1,2,3]triazolo[1,5-a]pyridine compounds
Abstract:As an important class of fused 1,2,3-triazoles, 4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyridines have found wide applications in medicinal chemistry and synthetic chemistry. Recent years have witnessed significant progress in the efficient synthesis of such compounds. Among them, the intramolecular 1,3-dipolar cycloaddition reaction of alkyne and azide is the most commonly used method. Other synthetic methods include intramolecular alkylation of 1,2,3-triazoles, palladium-catalyzed direct C-H arylation of 1,2,3-triazoles, and hydrogenation reaction of [1,2,3]triazolo[1,5-a]pyridines. Herein, we have described an up-to-date overview of different synthetic protocols applied to synthesize 4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyridine compounds.
Keywords: 4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyridine 1,3-dipolar cycloaddition alkylation C-H arylation hydrogenation
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4,5,6,7-四氢-[1,2,3]三唑并[1,5-a]吡啶化合物的合成研究进展
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